Finding the Fourth Proportional to 5,712,795.90, 7,883,657.49 and 3,265,459.49
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Solution
The fourth proportional to 5,712,795.90, 7,883,657.49 and 3,265,459.49 is: 4,506,333.61
Step by Step Solution
- Step 1: Write the proportion equation
5,712,795.90 : 7,883,657.49 = 3,265,459.49 : x - Step 2: Convert to fraction form
5,712,795.90/7,883,657.49 = 3,265,459.49/x - Step 3: Cross multiply
5,712,795.90x = 7,883,657.49 × 3,265,459.49 - Step 4: Simplify right side
5,712,795.90x = 25,743,764,186,339.23 - Step 5: Solve for x
x = 25,743,764,186,339.23/5,712,795.90 - Step 6: Final answer
x = 4,506,333.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.